If there's one thing we're all exposed to during our time online, it's idiotic commenting.

From trolls to flamers and everything in between, we count down the top five ways to be an idiot on the internet — through the comments section. If you want to join in the fun, well, you know what to do.

This segment is part of CNET Australia's weekly video show, Pulse TV. Click here to watch the episode in full.